
#region Using directives

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.Serialization;
using System.Security.Permissions;

#endregion

namespace Example5_2_1
{
	/// <summary>
	/// A collection class containing a list of <see cref="YAxis"/> objects.
	/// </summary>
	/// 
	[Serializable]
	public class YAxisList : List<YAxis>, ICloneable
	{

		#region Constructors

		/// <summary>
		/// Default constructor for the collection class.
		/// </summary>
		public YAxisList()
		{
		}

		/// <summary>
		/// The Copy Constructor
		/// </summary>
		/// <param name="rhs">The <see cref="YAxisList"/> object from which to copy</param>
		public YAxisList( YAxisList rhs )
		{
			foreach ( YAxis item in rhs )
			{
				this.Add( item.Clone() );
			}
		}

		/// <summary>
		/// Implement the <see cref="ICloneable" /> interface in a typesafe manner by just
		/// calling the typed version of <see cref="Clone" />
		/// </summary>
		/// <returns>A deep copy of this object</returns>
		object ICloneable.Clone()
		{
			return this.Clone();
		}

		/// <summary>
		/// Typesafe, deep-copy clone method.
		/// </summary>
		/// <returns>A new, independent copy of this class</returns>
		public YAxisList Clone()
		{
			return new YAxisList( this );
		}

		#endregion

		#region List Methods

		/// <summary>
		/// Indexer to access the specified <see cref="Axis"/> object by
		/// its ordinal position in the list.
		/// </summary>
		/// <param name="index">The ordinal position (zero-based) of the
		/// <see cref="YAxis"/> object to be accessed.</param>
		/// <value>An <see cref="Axis"/> object reference.</value>
		public new YAxis this[int index]
		{
			get { return ( ( ( index < 0 || index >= this.Count ) ? null : base[index] ) ); }
		}

		/// <summary>
		/// Indexer to access the specified <see cref="Axis"/> object by
		/// its <see cref="Axis.Title"/> string.
		/// </summary>
		/// <param name="title">The string title of the
		/// <see cref="YAxis"/> object to be accessed.</param>
		/// <value>A <see cref="Axis"/> object reference.</value>
		public YAxis this[string title]
		{
			get
			{
				int index = IndexOf( title );
				if ( index >= 0 )
					return this[index];
				else
					return null;
			}
		}

		/// <summary>
		/// Return the zero-based position index of the
		/// <see cref="Axis"/> with the specified <see cref="Axis.Title"/>.
		/// </summary>
		/// <remarks>The comparison of titles is not case sensitive, but it must include
		/// all characters including punctuation, spaces, etc.</remarks>
		/// <param name="title">The <see cref="String"/> label that is in the
		/// <see cref="Axis.Title"/> attribute of the item to be found.
		/// </param>
		/// <returns>The zero-based index of the specified <see cref="Axis"/>,
		/// or -1 if the <see cref="Axis.Title"/> was not found in the list</returns>
		/// <seealso cref="IndexOfTag"/>
		public int IndexOf( string title )
		{
			int index = 0;
			foreach ( YAxis axis in this )
			{
				if ( String.Compare( axis.Title._text, title, true ) == 0 )
					return index;
				index++;
			}

			return -1;
		}

		/// <summary>
		/// Return the zero-based position index of the
		/// <see cref="Axis"/> with the specified <see cref="Axis.Tag" />.
		/// </summary>
		/// <remarks>In order for this method to work, the <see cref="Axis.Tag" />
		/// property must be of type <see cref="String"/>.
		/// </remarks>
		/// <param name="tagStr">The <see cref="String"/> tag that is in the
		/// <see cref="Axis.Tag" /> attribute of the item to be found.
		/// </param>
		/// <returns>The zero-based index of the specified <see cref="Axis" />,
		/// or -1 if the <see cref="Axis.Tag" /> string is not in the list</returns>
		public int IndexOfTag( string tagStr )
		{
			int index = 0;
			foreach ( YAxis axis in this )
			{
				if ( axis.Tag is string &&
					String.Compare( (string)axis.Tag, tagStr, true ) == 0 )
					return index;
				index++;
			}

			return -1;
		}

		/// <summary>
		/// Create a new <see cref="YAxis" /> and add it to this list.
		/// </summary>
		/// <param name="title">The title string for the new axis</param>
		/// <returns>An integer representing the ordinal position of the new <see cref="YAxis" /> in
		/// this <see cref="YAxisList" />.  This is the value that you would set the
		/// <see cref="CurveItem.YAxisIndex" /> property of a given <see cref="CurveItem" /> to 
		/// assign it to this new <see cref="YAxis" />.</returns>
		public int Add( string title )
		{
			YAxis axis = new YAxis( title );
			Add( axis );

			return Count - 1;
		}

		#endregion

	}
}
